Mason township, Illinois

Mason township is a geographic entity located in Effingham County, Illinois. As of official census estimates, it has a reported population of 1,243. The land area covers 37.14 sq mi. ^[1]

Demographics & Population

Demographic Metric	Estimate / Count	Margin of Error	Survey Period / Source
Total Population (2025 PEP Estimate)	1,243	—	2025 / Census
Median Age	43 yrs	±17.8	2020-2024 / Census ACS 5-Year 2024
Total Households	695	±155	2020-2024 / Census ACS 5-Year 2024

Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric	Estimate / Value	Margin of Error
Total Housing Units	722	±160
Occupied Housing Units	695	±155
Vacant Housing Units	27	±23
Median Home Value	$140,700	±$14,863
Median Gross Rent	$598	±$466

Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric	Estimate / Value	Margin of Error
Median Household Income	$77,639	±$24,102
Per Capita Income	$33,411	±$4,997
Poverty Rate	15.6%	±7.3%
Population Below Poverty Level	261	±135
Unemployment Rate	3.4%	±2.2%
Civilian Labor Force, Employed	787	±199
Broadband Internet Rate	86.8%	±11.7%

Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF

Government Unit	Unit Type	Jurisdiction Role	Contact / Address
TOWNSHIP OF MASON GUS Population: 1,246 (2024) ID: 125160	Township	Official Local Government	Contact: SUPERVISOR PO BOX 225, EDGEWOOD IL 62426-0225
COUNTY OF EFFINGHAM GUS Population: 34,602 (2024) ID: 162132	County	Official County Government	Contact: CHAIRMAN 101 N 4TH ST, SUITE 301, EFFINGHAM IL 62401-3482

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides

Institution	Type	Grades	Location
Altamont Grade School	Regular School Nearby	PK-08	Altamont, IL
Altamont High School	Regular School Nearby	09-12	Altamont, IL
Aspire Alternative High School	Alternative School Nearby	09-12	Effingham, IL
Central Grade School	Regular School Nearby	02-05	Effingham, IL
Dieterich Elem School	Regular School Nearby	PK-06	Dieterich, IL
Dieterich Jr/Sr High School	Regular School Nearby	07-12	Dieterich, IL
Early Learning Center	Regular School Nearby	KG	Effingham, IL
Effingham High School	Regular School Nearby	09-12	Effingham, IL
Effingham Junior High School	Regular School Nearby	06-08	Effingham, IL
Effingham Unit 40 Preschool	Regular School Nearby	PK	Effingham, IL

Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 9 civic institutions across 1 datasets queried CMS • IPEDS • IMLS

Facility Name	Category	Relationship	Address / Location	Contact
ALTAMONT PUBLIC LIBRARY	Library	9.5 mi away	121 WEST WASHINGTON AVENUE, ALTAMONT, IL, 62411	(618) 483-5457
SAINT ELMO PUBLIC LIBRARY DISTRICT	Library	12.1 mi away	311 WEST CUMBERLAND ROAD, SAINT ELMO, IL, 62458	(618) 829-5544
EFFINGHAM PUBLIC LIBRARY	Library	13.4 mi away	200 NORTH THIRD STREET, EFFINGHAM, IL, 62401	(217) 342-2464
KINMUNDY PUBLIC LIBRARY	Library	16.2 mi away	111 SOUTH MONROE STREET, KINMUNDY, IL, 62854	(618) 547-3250
BROWNSTOWN BRANCH LIBRARY	Library	16.7 mi away	120 EAST MAIN STREET, BROWNSTOWN, IL, 62418	(618) 427-3853
BEECHER CITY BRANCH LIBRARY	Library	18.0 mi away	1358 EAST STATE HWY 33, BEECHER CITY, IL, 62414	(618) 487-9400
FLORA PUBLIC LIBRARY	Library	21.1 mi away	216 NORTH MAIN STREET, FLORA, IL, 62839	(618) 662-6553
DRY POINT TOWNSHIP LIBRARY	Library	23.7 mi away	COUNTY HIGHWAY 651, COWDEN, IL, 62422	(217) 783-2616
EVANS PUBLIC LIBRARY DISTRICT	Library	24.0 mi away	215 SOUTH FIFTH STREET, VANDALIA, IL, 62471	(618) 283-2824

Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at EFFINGHAM 3SW, IL US, located 11.9 miles from Mason township. Local microclimates, topography, and elevation may cause municipal conditions to differ.

Month	High (°F)	Low (°F)	Mean (°F)	Precip (in)	Snow (in)
January	37.4°	20.1°	28.8°	2.93"	5.3"
February	42.5°	23.4°	33.0°	2.44"	4.6"
March	53.5°	32.4°	42.9°	3.30"	1.5"
April	65.9°	42.4°	54.2°	4.84"	0.2"
May	76.2°	53.6°	64.9°	5.27"	0.0"
June	85.1°	62.8°	74.0°	4.87"	0.0"
July	88.5°	66.0°	77.2°	4.29"	0.0"
August	87.2°	63.7°	75.4°	3.19"	0.0"
September	81.2°	55.5°	68.4°	2.89"	0.0"
October	68.8°	44.1°	56.4°	3.49"	0.0"
November	54.0°	33.7°	43.9°	3.73"	0.6"
December	42.2°	25.4°	33.8°	2.77"	2.4"

Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery

Community Name	Classification	Distance	Population
Mason town	Town	1.3 mi	—
Edgewood village	Village	1.9 mi	—
La Clede CDP	CDP	5.7 mi	—
Watson village	Village	7.0 mi	—
Iola village	Village	7.9 mi	—
Altamont city	City	9.2 mi	—

Sources & Data Provenance

1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1704947462. • Official Source Dataset →
2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.

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